Hussaini, the Aga Khan IV and 49th Imam of Nizari Ismaili Muslims, died February 4. He was 88. The Aga Khan’s eldest son, Prince Rahim Al-Hussaini, has been designated the Aga Khan V.

At the age of 20, Prince Karim Al-Hussaini inherited the reins of a Shia Muslim lineage and used his entrepreneurship to become one of the world’s richest hereditary rulers.

The late Prince Karim Al-Hussaini Aga Khan IV, who died on Tuesday in Lisbon after nearly seven decades as the spiritual leader of the global Ismaili Muslim community, will be buried in Egypt on Sunday,

Hussaini, will oversee the plans to open the million-dollar Ismaili Muslim community hub after his father's recent passing.

The Aga Khan IV has been laid to rest in Egypt in a private ceremony. The governor of Aswan welcomed Prince Karim’s family at the southern Egyptian’s provinces airport ahead of the burial service on Sunday.

Rahim Al-Hussaini was named Wednesday as the new Aga Khan, spiritual leader of the world’s millions of Ismaili Muslims, following the death of his father.

The burial service for Aga Khan IV, the 49th hereditary imam of the Shiite Ismaili Muslims, was held in the southern Egyptian province of Aswan on Sunday.